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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 6 pm Tuesday 21 Oct 2025 BST
How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 9PM is: 0.9m 6s primary swell from a Southwest direction and 0.4m 9s secondary swell from a Southwest direction (forecast issued at 06:00pm October 21). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | - | - |
| Afternoon (21 Oct) | 5ft (1.5m) | 5s |
| Evening (21 Oct) | 3ft (0.9m) | 6s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 10 | 9 | 9 | 9 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 136 | 54 | 38 | 84 | 62 | 57 | 37 | 25 | 23 | 16 | 11 | 44 | 41 | 41 | 40 | 878 | 740 | 569 | 469 | 392 | 366 | 465 | 588 | 540 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross |
High Tide / height (m) | 9:01PM 4.33 | 9:18AM 4.25 | 9:34PM 4.30 | 9:49AM 4.25 | 10:06PM 4.19 | 10:20AM 4.16 | ||||||||||||||||||
Low Tide / height (m) | 3:44PM 0.45 | 4:00AM 0.40 | 4:11PM 0.45 | 4:25AM 0.50 | 4:38PM 0.51 | 4:50AM 0.64 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - | - | - | 7:58 | - |
| Sunset | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - |
 |  |  | |  | | |  | | | | | | |  | |  | |  | | |  | | | |
Rain (mm) | 1 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | 1 | 1 | - | - | 1 | - | 1 | 2 | 1 | 1 |
| Temp. °C | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 10 |
| Feels °C (?) | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 6 | 7 | 5 | 1 | -2 | -2 | -3 | -2 | -1 | -1 | -1 | -1 | 0 | 1 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Lleyn
The wind is still cross-off at Porth Ceriad (fresh winds from the WNW at Aberdaron 15 km from Porth Ceriad). 1.0m 4s local chop from the W with a 0.6m 7s swell from the SW and a 0.3m 9s swell, also from the SW. 3 swells combining to make bigger set waves.
1 h 24 min ago
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